<template>
	<view>
		<!-- 搜索组件 -->
		<view class="search-box">
			<my-search @myclick="gotoSearch"></my-search>
		</view>
		
		<!-- 轮播图的区域 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular="true">
			<swiper-item v-for="(item,i) in swiperList" :key="i">
				<navigator class="swiper-item" :url="`/subpkg/goods_detail/goods_detail?goods_id=${item.goods_id}`">
					<!-- 动态绑定图片的src属性 -->
					<image :src="item.image_src"></image>
				</navigator> 
			</swiper-item>
		</swiper>

		<!-- 分类导航区域 -->
		<view class="nav-list">
			<view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navClickHandler(item)">
				<image :src="item.image_src" class="nav-img"></image>
			</view>
		</view>
		
		<!-- 楼层区域 -->
		<!-- 楼层的容器 -->
		<view class="floor-list">
			<!-- 每一个楼层的item项 -->
			<view class="floor-item" v-for="(item,i) in floorList" :key="i">
				<!-- 楼层的标题 -->
				<image :src="item.floor_title.image_src" class="floor-title"></image>
				<!-- 楼层的图片区域 -->
				<view class="floor-img-box">
					<!-- 左侧大图片的盒子 -->
						<navigator class="left-img-box" :url="item.product_list[0].url">
							<image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width+ 'rpx'}" mode="widthFix"></image>
						</navigator>
					<!-- 右侧四个小图片的盒子 -->
						<view class="right-img-box">
							<navigator class="right-img-item" v-for="(item2,i2) in item.product_list" :key="i2" v-if="i2 !==0" :url="item2.url">
								<image :src="item2.image_src" :style="{width:item2.image_width + 'rpx'}" mode="widthFix"></image>
							</navigator>
						</view>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
import badgeMix from '@/mixins/tabbar-badge.js'
	export default {
		mixins:[badgeMix],
		data() {
			return {
				//这是轮播图的数据列表
				swiperList: [],
				//分类导航的数据列表
				navList: [],
				//楼层的数据
				floorList: []
			};
		},
		onLoad() {
			//调用方法,获取轮播图的数据
			this.getSwiperList(),
				//调用方法,获取分类导航的数据
				this.getNavList(),
				//调用方法，获取楼层的数据
				this.getFloorList()
		},
		methods: {
			//获取轮播图的数据
			async getSwiperList() {
				const {
					data: res
				} = await uni.$http.get('/home/swiperdata')
				if (res.meta.status !== 200) return uni.$showMsg()
				this.swiperList = res.message
			},
			//获取分类导航的数据
			async getNavList() {
				const {
					data: res
				} = await uni.$http.get('/home/catitems')
				if (res.meta.status !== 200) return uni.$showMsg()
				this.navList = res.message
			},
			//点击分类操作
			navClickHandler(item) {
				if (item.name === '分类') {
					uni.switchTab({
						url: '/pages/cate/cate'
					})
				}
			},
			//获取楼层的数据
			async getFloorList() {
				const {
					data: res
				} = await uni.$http.get('/home/floordata')
				if (res.meta.status !== 200) return uni.$showMsg()
				
				//对数据进行处理
				res.message.forEach(floor=>{
					floor.product_list.forEach(prod=>{
						prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
					})
				})
				this.floorList = res.message
			},
			//跳转的搜索页面
			gotoSearch(){
				uni.navigateTo({
					url:'/subpkg/search/search'
				})
			}
		}
	}
</script>

<style lang="scss">
	// 轮播图的区域
	swiper {
		height: 330rpx;

		.swiper-item,
		image {
			width: 100%;
			height: 100%;
		}
	}
	//分类导航的区域
	.nav-list {
		display: flex;
		justify-content: space-around;
		margin: 15px 0;

		.nav-img {
			width: 128rpx;
			height: 140rpx;
		}
	}
	//楼层的区域
	.floor-title{
		width: 100%;
		height: 60rpx;
	}
	.right-img-box{
		display: flex;
		flex-wrap: wrap;
		justify-content: space-around; 
	}
	.floor-img-box{
		display: flex;
		padding-left: 10rpx;
	}
	//搜索样式
	.search-box{
		//设置定位效果为"吸项"
		position: sticky;
		top: 0;
		//提高层级，防止被轮播图覆盖
		z-index: 999;
	}
</style>
